docs: def setOutputHandler(self, outputhandler):
          """
          Sets a new output handler.
  
          Args:
              outputhandler: The function handling the AMPL output derived from
              interpreting user commands.
          """
          class OutputHandlerInternal(amplpython.OutputHandler):
              def output(self, kind, msg):
                  outputhandler.output(kind, msg)
  
          self._outputhandler = outputhandler
          self._outputhandler_internal = OutputHandlerInternal()
          lock_and_call(
              lambda: self._impl.setOutputHandler(
                  self._outputhandler_internal
              ),
              self._lock
          )